Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pretorius, W (Willem)

Chess SA id

105093402

FIDE id

Date of birth

2005-09-02 (Adult)

Gender

Male

Region

Gert Sibande (MGS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-04-21

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	608.9	575.6	676	500
Raw rating	608.9	575.6	676	500
Weighted rating	608.9	575.6	675.6	500
Weighted performance	0	0	0	0
Floor	500	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	384.9	403.6	349.8	449.5
Highest rating	1200 2018-02-01	1200 2018-02-01	1200 2020-01-01	1200 2024-02-01
Highest raw rating	608.9 2024-02-01	575.6 2024-02-01	676 2024-02-01	500 2024-02-01
Highest weighted rating	608.9 2024-11-01	575.6 2024-11-01	676 2024-11-01	500 2024-11-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	608.9	575.6	676	500
Analysis
Rating	608.9	575.6	676	500
Raw rating	608.9	575.6	676	500
Weighted rating	608.9	575.6	675.6
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	500	500	500	500
Max/Min rating change allowed	384.9	403.6	349.8	449.5
Games	0	0	0	0
Score	0	0	0	0
Expected score	0	0	0	0
Score-Expected	0	0	0	0
Temp raw +/-	0	0	0	0
Final raw +/-	0	0	0	0
New raw rating	608.9	575.6	676	500
New weighted rating	608.9	575.6	676	500
New weighted performance	0	0	0	0
Temp new rating	608.9	575.6	676	500
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	608.9	575.6	676	500
New K-factor	40	40	40	40
New floor	500	500	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	5	0	5
	0	0	0
	0	0	0
History	20	15	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Gert Sibande (MGS)
Province	Mpumalanga (MP)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1


	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	10	4	40	-85	1062.7	977.7
Standard	5	2	40	-85	932.1	847.1
Rapid	5	2	40	-85	1193.2	1108.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	608.9	575.6	676	500
2025-09-30	608.9	575.6	676	500
2025-09-01	608.9	575.6	676	500
2025-08-01	608.9	575.6	676	500
2025-07-01	608.9	575.6	676	500
2025-06-01	608.9	575.6	676	500
2025-05-01	608.9	575.6	676	500
2025-04-01	608.9	575.6	676	500
2025-03-01	608.9	575.6	676	500
2025-02-01	608.9	575.6	676	500
2025-01-01	608.9	575.6	676	500
2024-12-01	608.9	575.6	676	500
2024-11-01	608.9	575.6	676	500
2024-10-01	608.9	575.6	676	500
2024-09-01	608.9	575.6	676	500
2024-08-01	608.9	575.6	676	500
2024-07-01	608.9	575.6	676	500
2024-09-01	608.9	575.6	676	500
2024-05-01	608.9	575.6	676	500
2024-04-01	608.9	575.6	676	500
2024-03-01	608.9	575.6	676	500
2024-02-01	608.9	575.6	676	500
2024-01-01	608.9	575.6	676	500
2023-12-01	608.9	575.6	579.2	500

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	NWU Super 16 2023 (B)	2023-04-21	2023-04-21	Rapid	Gert Sibande (MGS)	7	5	2	Yes	Analysis
2	2022 Gauteng Interregion (U18 Open)	2022-02-26	2022-02-26	Standard	Tshwane (GTP)	5	0	0	No	Analysis
3	Broadland`s Knights Chess Open 2018 (C)	2018-06-16	2018-06-16	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis

#	Games	Start				End
1	1	Tournament NWU Super 16 2023				Tournament NWU Super 16 2023
		date 2023-04-21	rnd 6	type Rapid	result 1	date 2023-04-21	rnd 6	type Rapid	result 1
		Opponent Grobler, A (Anthony)				Opponent Grobler, A (Anthony)
2	1	Tournament NWU Super 16 2023				Tournament NWU Super 16 2023
		date 2023-04-21	rnd 1	type Rapid	result 1	date 2023-04-21	rnd 1	type Rapid	result 1
		Opponent Botha, J (Jovick)				Opponent Botha, J (Jovick)
3	1	Tournament Broadland`s Knights Chess Open 2018				Tournament Broadland`s Knights Chess Open 2018
		date 2018-06-16	rnd 3	type Standard	result 1	date 2018-06-16	rnd 3	type Standard	result 1
		Opponent Van Wyk, J (Jonathan)				Opponent Van Wyk, J (Jonathan)

#	Games	Start				End
1	1	Tournament Broadland`s Knights Chess Open 2018				Tournament Broadland`s Knights Chess Open 2018
		date 2018-06-16	rnd 3	type Standard	result 1	date 2018-06-16	rnd 3	type Standard	result 1
		Opponent Van Wyk, J (Jonathan)				Opponent Van Wyk, J (Jonathan)
2	1	Tournament Broadland`s Knights Chess Open 2018				Tournament Broadland`s Knights Chess Open 2018
		date 2018-06-16	rnd 1	type Standard	result 1	date 2018-06-16	rnd 1	type Standard	result 1
		Opponent Jonker, J (Jaen-Pierre)				Opponent Jonker, J (Jaen-Pierre)

#	Games	Start				End
1	1	Tournament NWU Super 16 2023				Tournament NWU Super 16 2023
		date 2023-04-21	rnd 6	type Rapid	result 1	date 2023-04-21	rnd 6	type Rapid	result 1
		Opponent Grobler, A (Anthony)				Opponent Grobler, A (Anthony)
2	1	Tournament NWU Super 16 2023				Tournament NWU Super 16 2023
		date 2023-04-21	rnd 1	type Rapid	result 1	date 2023-04-21	rnd 1	type Rapid	result 1
		Opponent Botha, J (Jovick)				Opponent Botha, J (Jovick)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament NWU Super 16 2023				Tournament NWU Super 16 2023
		date 2023-04-21	rnd 6	type Rapid	result 1	date 2023-04-21	rnd 6	type Rapid	result 1
		Opponent Grobler, A (Anthony)				Opponent Grobler, A (Anthony)
2	1	Tournament NWU Super 16 2023				Tournament NWU Super 16 2023
		date 2023-04-21	rnd 1	type Rapid	result 1	date 2023-04-21	rnd 1	type Rapid	result 1
		Opponent Botha, J (Jovick)				Opponent Botha, J (Jovick)
3	1	Tournament Broadland`s Knights Chess Open 2018				Tournament Broadland`s Knights Chess Open 2018
		date 2018-06-16	rnd 3	type Standard	result 1	date 2018-06-16	rnd 3	type Standard	result 1
		Opponent Van Wyk, J (Jonathan)				Opponent Van Wyk, J (Jonathan)

#	Games	Start				End
1	1	Tournament Broadland`s Knights Chess Open 2018				Tournament Broadland`s Knights Chess Open 2018
		date 2018-06-16	rnd 3	type Standard	result 1	date 2018-06-16	rnd 3	type Standard	result 1
		Opponent Van Wyk, J (Jonathan)				Opponent Van Wyk, J (Jonathan)
2	1	Tournament Broadland`s Knights Chess Open 2018				Tournament Broadland`s Knights Chess Open 2018
		date 2018-06-16	rnd 1	type Standard	result 1	date 2018-06-16	rnd 1	type Standard	result 1
		Opponent Jonker, J (Jaen-Pierre)				Opponent Jonker, J (Jaen-Pierre)

#	Games	Start				End
1	1	Tournament NWU Super 16 2023				Tournament NWU Super 16 2023
		date 2023-04-21	rnd 6	type Rapid	result 1	date 2023-04-21	rnd 6	type Rapid	result 1
		Opponent Grobler, A (Anthony)				Opponent Grobler, A (Anthony)
2	1	Tournament NWU Super 16 2023				Tournament NWU Super 16 2023
		date 2023-04-21	rnd 1	type Rapid	result 1	date 2023-04-21	rnd 1	type Rapid	result 1
		Opponent Botha, J (Jovick)				Opponent Botha, J (Jovick)

No games found.

#	Games	Start				End

Top 10 opponents most often played

#	Opponent	Main			Standard			Rapid			Blitz
		Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp
		Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat
1	Van Wyk ,J (Jonathan)	1	1	425	1	1	425	0	0	0	0	0	0
1	Van Wyk ,J (Jonathan)	1	1069	1494	1	1075	1494	0	0	0	0	0	0
2	Coetzee ,Z (Zahne)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Coetzee ,Z (Zahne)	1	896.3	471.3	1	935.6	471.3	0	0	0	0	0	0
3	Van Rhyn ,J (Josh)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Van Rhyn ,J (Josh)	1	889.5	464.5	1	870.8	464.5	0	0	0	0	0	0
4	Tabane ,G (Gomolemo)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Tabane ,G (Gomolemo)	1	880.7	455.7	1	887.2	455.7	0	0	0	0	0	0
5	Jonker ,J (Jaen-Pierre)	1	1	425	1	1	425	0	0	0	0	0	0
5	Jonker ,J (Jaen-Pierre)	1	925.2	1350.2	1	933.7	1350.2	0	0	0	0	0	0
6	Botha ,J (Jovick)	1	1	425	0	0	0	1	1	425	0	0	0
6	Botha ,J (Jovick)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
7	Du Plooy ,J (Juan-Re)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Du Plooy ,J (Juan-Re)	1	1165.8	740.8	0	0	0	1	1200	740.8	0	0	0
8	Mathenjwa ,L (Lethokuhle)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Mathenjwa ,L (Lethokuhle)	1	1200	775	0	0	0	1	1200	775	0	0	0
9	Ferreira ,M (Marguerite)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Ferreira ,M (Marguerite)	1	1200	775	0	0	0	1	1200	775	0	0	0
10	Grobler ,A (Anthony)	1	1	425	0	0	0	1	1	425	0	0	0
10	Grobler ,A (Anthony)	1	1200	1625	0	0	0	1	1200	1625	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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Statistics

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PLAYER PAGE

Personal

Pretorius, W (Willem)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms